How does vital injector accessories working?

What accessories necessary work together with vital injector?

5pin disposable needle have to work together with vital injector gun, 

it is  package alone, after one customer one time use have to replace new one.
 
Syringe necessary, as needed use 1cc to 5cc , dosage setting according to syringe setting
 
If using more than one liquid need to use 3-way stopcock to mix diffetrent liquid together.
 
After 2 week usage need to replace to cottom ball use to filtering dirty avoid dirty block machine.

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